SMTL ID : 9h9d.1

Protein kinase CK2 catalytic subunit alpha (CSNK2A1 gene product) in complex the the indenoindole-type inhibitor MC11

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.09 Å

Oligo State

homo-dimer

Ligands

2 x 01: 1,2,3,4-tetrakis(bromanyl)-5-propan-2-yl-7,8-dihydro-6~{H}-indeno[1,2-b]indole-9,10-dione

01.1: 15 residues within 4Å: Chain A: L.59, G.60, R.61, G.62, S.65, V.67, V.80, K.82, I.109, F.127, E.128, V.130, M.177, I.188, D.189 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.67, A:I.188 Hydrogen bonds: A:S.65 Water bridges: A:K.82 Halogen bonds: A:V.130 01.5: 15 residues within 4Å: Chain B: L.59, G.60, R.61, G.62, S.65, V.67, V.80, K.82, I.109, F.127, E.128, V.130, M.177, I.188, D.189 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:V.67, B:V.67, B:I.188 Hydrogen bonds: B:S.65 Water bridges: B:K.82 Halogen bonds: B:V.130

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: K.91, R.94, R.169, N.203 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.203 Water bridges: A:R.169, A:R.169 Salt bridges: A:K.91, A:R.94, A:R.169 SO4.3: 3 residues within 4Å: Chain A: R.205, K.212, N.252 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.252, A:N.252 Salt bridges: A:R.205, A:K.212 SO4.4: 1 residues within 4Å: Chain A: W.47 No protein-ligand interaction detected (PLIP) SO4.6: 4 residues within 4Å: Chain B: K.91, R.94, R.169, N.203 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:N.203 Water bridges: B:R.169, B:N.203 Salt bridges: B:K.91, B:R.94, B:R.169 SO4.7: 3 residues within 4Å: Chain B: R.205, K.212, N.252 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.252 Salt bridges: B:R.205, B:K.212 SO4.8: 2 residues within 4Å: Chain B: K.116, R.121 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:K.116, B:R.121 SO4.9: 2 residues within 4Å: Chain B: W.47, K.116 5 PLIP interactions: 5 interactions with chain B Water bridges: B:V.45, B:V.45, B:K.93 Salt bridges: B:K.93, B:K.116 SO4.10: 1 residues within 4Å: Chain B: K.90 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:K.90

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Marminon, C. et al., Exploring the biological potential of the brominated indenoindole MC11 and its interaction with protein kinase CK2. Biol.Chem. (2025)

Release Date

2025-08-27

Peptides

Casein kinase II subunit alpha: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Casein kinase II subunit alpha

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